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/* $OpenBSD: radeon_acpi.h,v 1.1 2013/08/12 04:11:53 jsg Exp $ */
/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef RADEON_ACPI_H
#define RADEON_ACPI_H
struct radeon_device;
struct acpi_bus_event;
int radeon_atif_handler(struct radeon_device *rdev,
struct acpi_bus_event *event);
/* AMD hw uses four ACPI control methods:
* 1. ATIF
* ARG0: (ACPI_INTEGER) function code
* ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
* OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
* ATIF provides an entry point for the gfx driver to interact with the sbios.
* The AMD ACPI notification mechanism uses Notify (VGA, 0x81) or a custom
* notification. Which notification is used as indicated by the ATIF Control
* Method GET_SYSTEM_PARAMETERS. When the driver receives Notify (VGA, 0x81) or
* a custom notification it invokes ATIF Control Method GET_SYSTEM_BIOS_REQUESTS
* to identify pending System BIOS requests and associated parameters. For
* example, if one of the pending requests is DISPLAY_SWITCH_REQUEST, the driver
* will perform display device detection and invoke ATIF Control Method
* SELECT_ACTIVE_DISPLAYS.
*
* 2. ATPX
* ARG0: (ACPI_INTEGER) function code
* ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
* OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
* ATPX methods are used on PowerXpress systems to handle mux switching and
* discrete GPU power control.
*
* 3. ATRM
* ARG0: (ACPI_INTEGER) offset of vbios rom data
* ARG1: (ACPI_BUFFER) size of the buffer to fill (up to 4K).
* OUTPUT: (ACPI_BUFFER) output buffer
* ATRM provides an interfacess to access the discrete GPU vbios image on
* PowerXpress systems with multiple GPUs.
*
* 4. ATCS
* ARG0: (ACPI_INTEGER) function code
* ARG1: (ACPI_BUFFER) parameter buffer, 256 bytes
* OUTPUT: (ACPI_BUFFER) output buffer, 256 bytes
* ATCS provides an interface to AMD chipset specific functionality.
*
*/
/* ATIF */
#define ATIF_FUNCTION_VERIFY_INTERFACE 0x0
/* ARG0: ATIF_FUNCTION_VERIFY_INTERFACE
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* WORD - version
* DWORD - supported notifications mask
* DWORD - supported functions bit vector
*/
/* Notifications mask */
# define ATIF_DISPLAY_SWITCH_REQUEST_SUPPORTED (1 << 0)
# define ATIF_EXPANSION_MODE_CHANGE_REQUEST_SUPPORTED (1 << 1)
# define ATIF_THERMAL_STATE_CHANGE_REQUEST_SUPPORTED (1 << 2)
# define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST_SUPPORTED (1 << 3)
# define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST_SUPPORTED (1 << 4)
# define ATIF_DISPLAY_CONF_CHANGE_REQUEST_SUPPORTED (1 << 5)
# define ATIF_PX_GFX_SWITCH_REQUEST_SUPPORTED (1 << 6)
# define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST_SUPPORTED (1 << 7)
# define ATIF_DGPU_DISPLAY_EVENT_SUPPORTED (1 << 8)
/* supported functions vector */
# define ATIF_GET_SYSTEM_PARAMETERS_SUPPORTED (1 << 0)
# define ATIF_GET_SYSTEM_BIOS_REQUESTS_SUPPORTED (1 << 1)
# define ATIF_SELECT_ACTIVE_DISPLAYS_SUPPORTED (1 << 2)
# define ATIF_GET_LID_STATE_SUPPORTED (1 << 3)
# define ATIF_GET_TV_STANDARD_FROM_CMOS_SUPPORTED (1 << 4)
# define ATIF_SET_TV_STANDARD_IN_CMOS_SUPPORTED (1 << 5)
# define ATIF_GET_PANEL_EXPANSION_MODE_FROM_CMOS_SUPPORTED (1 << 6)
# define ATIF_SET_PANEL_EXPANSION_MODE_IN_CMOS_SUPPORTED (1 << 7)
# define ATIF_TEMPERATURE_CHANGE_NOTIFICATION_SUPPORTED (1 << 12)
# define ATIF_GET_GRAPHICS_DEVICE_TYPES_SUPPORTED (1 << 14)
#define ATIF_FUNCTION_GET_SYSTEM_PARAMETERS 0x1
/* ARG0: ATIF_FUNCTION_GET_SYSTEM_PARAMETERS
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* DWORD - valid flags mask
* DWORD - flags
*
* OR
*
* WORD - structure size in bytes (includes size field)
* DWORD - valid flags mask
* DWORD - flags
* BYTE - notify command code
*
* flags
* bits 1:0:
* 0 - Notify(VGA, 0x81) is not used for notification
* 1 - Notify(VGA, 0x81) is used for notification
* 2 - Notify(VGA, n) is used for notification where
* n (0xd0-0xd9) is specified in notify command code.
* bit 2:
* 1 - lid changes not reported though int10
*/
#define ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS 0x2
/* ARG0: ATIF_FUNCTION_GET_SYSTEM_BIOS_REQUESTS
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* DWORD - pending sbios requests
* BYTE - panel expansion mode
* BYTE - thermal state: target gfx controller
* BYTE - thermal state: state id (0: exit state, non-0: state)
* BYTE - forced power state: target gfx controller
* BYTE - forced power state: state id
* BYTE - system power source
* BYTE - panel backlight level (0-255)
*/
/* pending sbios requests */
# define ATIF_DISPLAY_SWITCH_REQUEST (1 << 0)
# define ATIF_EXPANSION_MODE_CHANGE_REQUEST (1 << 1)
# define ATIF_THERMAL_STATE_CHANGE_REQUEST (1 << 2)
# define ATIF_FORCED_POWER_STATE_CHANGE_REQUEST (1 << 3)
# define ATIF_SYSTEM_POWER_SOURCE_CHANGE_REQUEST (1 << 4)
# define ATIF_DISPLAY_CONF_CHANGE_REQUEST (1 << 5)
# define ATIF_PX_GFX_SWITCH_REQUEST (1 << 6)
# define ATIF_PANEL_BRIGHTNESS_CHANGE_REQUEST (1 << 7)
# define ATIF_DGPU_DISPLAY_EVENT (1 << 8)
/* panel expansion mode */
# define ATIF_PANEL_EXPANSION_DISABLE 0
# define ATIF_PANEL_EXPANSION_FULL 1
# define ATIF_PANEL_EXPANSION_ASPECT 2
/* target gfx controller */
# define ATIF_TARGET_GFX_SINGLE 0
# define ATIF_TARGET_GFX_PX_IGPU 1
# define ATIF_TARGET_GFX_PX_DGPU 2
/* system power source */
# define ATIF_POWER_SOURCE_AC 1
# define ATIF_POWER_SOURCE_DC 2
# define ATIF_POWER_SOURCE_RESTRICTED_AC_1 3
# define ATIF_POWER_SOURCE_RESTRICTED_AC_2 4
#define ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS 0x3
/* ARG0: ATIF_FUNCTION_SELECT_ACTIVE_DISPLAYS
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - selected displays
* WORD - connected displays
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* WORD - selected displays
*/
# define ATIF_LCD1 (1 << 0)
# define ATIF_CRT1 (1 << 1)
# define ATIF_TV (1 << 2)
# define ATIF_DFP1 (1 << 3)
# define ATIF_CRT2 (1 << 4)
# define ATIF_LCD2 (1 << 5)
# define ATIF_DFP2 (1 << 7)
# define ATIF_CV (1 << 8)
# define ATIF_DFP3 (1 << 9)
# define ATIF_DFP4 (1 << 10)
# define ATIF_DFP5 (1 << 11)
# define ATIF_DFP6 (1 << 12)
#define ATIF_FUNCTION_GET_LID_STATE 0x4
/* ARG0: ATIF_FUNCTION_GET_LID_STATE
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* BYTE - lid state (0: open, 1: closed)
*
* GET_LID_STATE only works at boot and resume, for general lid
* status, use the kernel provided status
*/
#define ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS 0x5
/* ARG0: ATIF_FUNCTION_GET_TV_STANDARD_FROM_CMOS
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* BYTE - 0
* BYTE - TV standard
*/
# define ATIF_TV_STD_NTSC 0
# define ATIF_TV_STD_PAL 1
# define ATIF_TV_STD_PALM 2
# define ATIF_TV_STD_PAL60 3
# define ATIF_TV_STD_NTSCJ 4
# define ATIF_TV_STD_PALCN 5
# define ATIF_TV_STD_PALN 6
# define ATIF_TV_STD_SCART_RGB 9
#define ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS 0x6
/* ARG0: ATIF_FUNCTION_SET_TV_STANDARD_IN_CMOS
* ARG1:
* WORD - structure size in bytes (includes size field)
* BYTE - 0
* BYTE - TV standard
* OUTPUT: none
*/
#define ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS 0x7
/* ARG0: ATIF_FUNCTION_GET_PANEL_EXPANSION_MODE_FROM_CMOS
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* BYTE - panel expansion mode
*/
#define ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS 0x8
/* ARG0: ATIF_FUNCTION_SET_PANEL_EXPANSION_MODE_IN_CMOS
* ARG1:
* WORD - structure size in bytes (includes size field)
* BYTE - panel expansion mode
* OUTPUT: none
*/
#define ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION 0xD
/* ARG0: ATIF_FUNCTION_TEMPERATURE_CHANGE_NOTIFICATION
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - gfx controller id
* BYTE - current temperature (degress Celsius)
* OUTPUT: none
*/
#define ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES 0xF
/* ARG0: ATIF_FUNCTION_GET_GRAPHICS_DEVICE_TYPES
* ARG1: none
* OUTPUT:
* WORD - number of gfx devices
* WORD - device structure size in bytes (excludes device size field)
* DWORD - flags \
* WORD - bus number } repeated structure
* WORD - device number /
*/
/* flags */
# define ATIF_PX_REMOVABLE_GRAPHICS_DEVICE (1 << 0)
# define ATIF_XGP_PORT (1 << 1)
# define ATIF_VGA_ENABLED_GRAPHICS_DEVICE (1 << 2)
# define ATIF_XGP_PORT_IN_DOCK (1 << 3)
/* ATPX */
#define ATPX_FUNCTION_VERIFY_INTERFACE 0x0
/* ARG0: ATPX_FUNCTION_VERIFY_INTERFACE
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* WORD - version
* DWORD - supported functions bit vector
*/
/* supported functions vector */
# define ATPX_GET_PX_PARAMETERS_SUPPORTED (1 << 0)
# define ATPX_POWER_CONTROL_SUPPORTED (1 << 1)
# define ATPX_DISPLAY_MUX_CONTROL_SUPPORTED (1 << 2)
# define ATPX_I2C_MUX_CONTROL_SUPPORTED (1 << 3)
# define ATPX_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION_SUPPORTED (1 << 4)
# define ATPX_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION_SUPPORTED (1 << 5)
# define ATPX_GET_DISPLAY_CONNECTORS_MAPPING_SUPPORTED (1 << 7)
# define ATPX_GET_DISPLAY_DETECTION_PORTS_SUPPORTED (1 << 8)
#define ATPX_FUNCTION_GET_PX_PARAMETERS 0x1
/* ARG0: ATPX_FUNCTION_GET_PX_PARAMETERS
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* DWORD - valid flags mask
* DWORD - flags
*/
/* flags */
# define ATPX_LVDS_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 0)
# define ATPX_CRT1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 1)
# define ATPX_DVI1_I2C_AVAILABLE_TO_BOTH_GPUS (1 << 2)
# define ATPX_CRT1_RGB_SIGNAL_MUXED (1 << 3)
# define ATPX_TV_SIGNAL_MUXED (1 << 4)
# define ATPX_DFP_SIGNAL_MUXED (1 << 5)
# define ATPX_SEPARATE_MUX_FOR_I2C (1 << 6)
# define ATPX_DYNAMIC_PX_SUPPORTED (1 << 7)
# define ATPX_ACF_NOT_SUPPORTED (1 << 8)
# define ATPX_FIXED_NOT_SUPPORTED (1 << 9)
# define ATPX_DYNAMIC_DGPU_POWER_OFF_SUPPORTED (1 << 10)
# define ATPX_DGPU_REQ_POWER_FOR_DISPLAYS (1 << 11)
#define ATPX_FUNCTION_POWER_CONTROL 0x2
/* ARG0: ATPX_FUNCTION_POWER_CONTROL
* ARG1:
* WORD - structure size in bytes (includes size field)
* BYTE - dGPU power state (0: power off, 1: power on)
* OUTPUT: none
*/
#define ATPX_FUNCTION_DISPLAY_MUX_CONTROL 0x3
/* ARG0: ATPX_FUNCTION_DISPLAY_MUX_CONTROL
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - display mux control (0: iGPU, 1: dGPU)
* OUTPUT: none
*/
# define ATPX_INTEGRATED_GPU 0
# define ATPX_DISCRETE_GPU 1
#define ATPX_FUNCTION_I2C_MUX_CONTROL 0x4
/* ARG0: ATPX_FUNCTION_I2C_MUX_CONTROL
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - i2c/aux/hpd mux control (0: iGPU, 1: dGPU)
* OUTPUT: none
*/
#define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION 0x5
/* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_START_NOTIFICATION
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - target gpu (0: iGPU, 1: dGPU)
* OUTPUT: none
*/
#define ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION 0x6
/* ARG0: ATPX_FUNCTION_GRAPHICS_DEVICE_SWITCH_END_NOTIFICATION
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - target gpu (0: iGPU, 1: dGPU)
* OUTPUT: none
*/
#define ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING 0x8
/* ARG0: ATPX_FUNCTION_GET_DISPLAY_CONNECTORS_MAPPING
* ARG1: none
* OUTPUT:
* WORD - number of display connectors
* WORD - connector structure size in bytes (excludes connector size field)
* BYTE - flags \
* BYTE - ATIF display vector bit position } repeated
* BYTE - adapter id (0: iGPU, 1-n: dGPU ordered by pcie bus number) } structure
* WORD - connector ACPI id /
*/
/* flags */
# define ATPX_DISPLAY_OUTPUT_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 0)
# define ATPX_DISPLAY_HPD_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 1)
# define ATPX_DISPLAY_I2C_SUPPORTED_BY_ADAPTER_ID_DEVICE (1 << 2)
#define ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS 0x9
/* ARG0: ATPX_FUNCTION_GET_DISPLAY_DETECTION_PORTS
* ARG1: none
* OUTPUT:
* WORD - number of HPD/DDC ports
* WORD - port structure size in bytes (excludes port size field)
* BYTE - ATIF display vector bit position \
* BYTE - hpd id } reapeated structure
* BYTE - ddc id /
*
* available on A+A systems only
*/
/* hpd id */
# define ATPX_HPD_NONE 0
# define ATPX_HPD1 1
# define ATPX_HPD2 2
# define ATPX_HPD3 3
# define ATPX_HPD4 4
# define ATPX_HPD5 5
# define ATPX_HPD6 6
/* ddc id */
# define ATPX_DDC_NONE 0
# define ATPX_DDC1 1
# define ATPX_DDC2 2
# define ATPX_DDC3 3
# define ATPX_DDC4 4
# define ATPX_DDC5 5
# define ATPX_DDC6 6
# define ATPX_DDC7 7
# define ATPX_DDC8 8
/* ATCS */
#define ATCS_FUNCTION_VERIFY_INTERFACE 0x0
/* ARG0: ATCS_FUNCTION_VERIFY_INTERFACE
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* WORD - version
* DWORD - supported functions bit vector
*/
/* supported functions vector */
# define ATCS_GET_EXTERNAL_STATE_SUPPORTED (1 << 0)
# define ATCS_PCIE_PERFORMANCE_REQUEST_SUPPORTED (1 << 1)
# define ATCS_PCIE_DEVICE_READY_NOTIFICATION_SUPPORTED (1 << 2)
# define ATCS_SET_PCIE_BUS_WIDTH_SUPPORTED (1 << 3)
#define ATCS_FUNCTION_GET_EXTERNAL_STATE 0x1
/* ARG0: ATCS_FUNCTION_GET_EXTERNAL_STATE
* ARG1: none
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* DWORD - valid flags mask
* DWORD - flags (0: undocked, 1: docked)
*/
/* flags */
# define ATCS_DOCKED (1 << 0)
#define ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST 0x2
/* ARG0: ATCS_FUNCTION_PCIE_PERFORMANCE_REQUEST
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num)
* WORD - valid flags mask
* WORD - flags
* BYTE - request type
* BYTE - performance request
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* BYTE - return value
*/
/* flags */
# define ATCS_ADVERTISE_CAPS (1 << 0)
# define ATCS_WAIT_FOR_COMPLETION (1 << 1)
/* request type */
# define ATCS_PCIE_LINK_SPEED 1
/* performance request */
# define ATCS_REMOVE 0
# define ATCS_FORCE_LOW_POWER 1
# define ATCS_PERF_LEVEL_1 2 /* PCIE Gen 1 */
# define ATCS_PERF_LEVEL_2 3 /* PCIE Gen 2 */
# define ATCS_PERF_LEVEL_3 4 /* PCIE Gen 3 */
/* return value */
# define ATCS_REQUEST_REFUSED 1
# define ATCS_REQUEST_COMPLETE 2
# define ATCS_REQUEST_IN_PROGRESS 3
#define ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION 0x3
/* ARG0: ATCS_FUNCTION_PCIE_DEVICE_READY_NOTIFICATION
* ARG1: none
* OUTPUT: none
*/
#define ATCS_FUNCTION_SET_PCIE_BUS_WIDTH 0x4
/* ARG0: ATCS_FUNCTION_SET_PCIE_BUS_WIDTH
* ARG1:
* WORD - structure size in bytes (includes size field)
* WORD - client id (bit 2-0: func num, 7-3: dev num, 15-8: bus num)
* BYTE - number of active lanes
* OUTPUT:
* WORD - structure size in bytes (includes size field)
* BYTE - number of active lanes
*/
#endif
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